Introduction: Password management and policy enforcement are critical aspects of maintaining robust security on an Ubuntu Server 20.04. Establishing strong password policies helps safeguard against unauthorized access and security breaches. Step 1: Set an expiration date on a user’s passwordType chage -l username command to display the expiration date on a user’s… Continue Reading How to Manage passwords and password policies on Ubuntu server 20.04?

Introduction: If you’re having trouble accessing your server via SSH after a reboot, there are several common issues that you can check. Use the below steps to recover SSH access. Prerequisite: 1. Server root login credentials. Step 1: Please check the SSH service status. $ systemctl status ssh.service Step 2:… Continue Reading How to start the SSH service if it fails after rebooting the server

Introduction: Windows Subsystem for Linux(WSL) is a feature in Windows that allows developers to run Linux environment in windows machine. With the help of this feature, we can run linux in same system without the help of separate virtual machine or dual booting. This is supported by windows 10 and… Continue Reading How to Install UNIX Subsystem in Windows

Introduction: Logical Volume Management (LVM) is a powerful tool in Linux that allows for dynamic resizing and management of storage space. As data requirements grow, the need to extend Logical Volumes becomes common to accommodate increasing storage demands without disruption. Step 1: Check there is enough free space in the… Continue Reading How to Extend a Logical Volume?

Introduction: Redux is a library for managing state in a Predictable way in JavaScript applications. Redux is not tied to React, It can be used with React, Angular, Vue, or even vanilla javascript. Uses of Redux: Redux is used in JavaScript applications to simplify and centralize the management of application… Continue Reading Implementing Redux in React

In React Native text is used to display text inside screenIt allows text render inside a app various types of textual information is availableParagraphs, buttons, labels Example of Text : import { Text,View, StyleSheet } from ‘react-native’; const YourComponent = () => {return( <View style={styles.container}><Text>Hello, Text Is Here</Text> </View>); }… Continue Reading TEXT AND TEXTINPUT IN REACTNATIVE

There are various ways to run a Node.js project, but some common methods are: Using the node Command: Using NPM Scripts:In your package.json file, you can define scripts that automate various tasks, including starting your Node.js application.Add a “scripts” section in your package.json:“scripts”: { “start”: “node app.js” }Run the following… Continue Reading Methods to run a Node Project

Introduction GitLab is a web-based Git repository that provides free open and private repositories, issue-following capabilities, and wikis. It is a complete DevOps platform that enables professionals to perform all the tasks in a project—from project planning and source code management to monitoring and security Prerequisites Implementation Step 1: SSH to… Continue Reading How to upgrade Gitlab to the latest version

Introduction: To set up the CPU service monitor on Nagios, you’ll need to follow these general steps. CPU checks CPU usage, load averages, or other performance metrics on the server, and if the process is high, it gives an alert to the Nagois server. Prerequisite 1. Server root login credentials.… Continue Reading HOW TO SET UP THE CPU SERVICE MONITOR ON NAGIOS

Introduction: Swap space, an extension of physical memory, enables instances to manage memory resources efficiently, preventing performance degradation in situations of high demand. This guide outlines the steps to add swap space to an Amazon EC2 instance Step 1: Connect to EC2 Instance. Step 2: Before adding a swap, check… Continue Reading How do to add a swap space to an EC2 instance?